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  • All Xen related stuff

    540 Topics
    5k Posts
    N
    Thank you for that @olivierlambert I've tried with the Dell R710 and R730, without any luck - I did a lot more extensive tests with the R710, which led to the frustration of not "trying as hard" with the R730, but perhaps there are some "tricks" that I missed? I tried to enable NV with modprobe and the like (I know that's vague, but its a LOT of nuance to describe for the "what and how"). Since the R710 is fairly ancient, I would typically assume its "less capable" than the R730 for NV with XCP-ng, but then sometimes I run into oddities where the R710 actually outperforms the R730 "without additional configuration" (such as with my other post/comment I'm actively exploring/troubleshooting - https://xcp-ng.org/forum/post/89035 ) - Then there is also the incredibly tedious and annoying mxGPU "slicing" features from the limited GPUs that feature was available for that the major of the internet has reported to NOT work for them in any modern Kernel of Linux, (though a few "edge cases" have been reported sucessfull). So, "maybe" older hardware has better / more mature drivers in some cases? That said, I've retired the R710, so the point is somewhat moot, anyway - but it serves as an interesting use case that I've learned a great deal from "conceptually". (TL;DR - its true what they say about "assuming" ) But, rather than start tinkering again and potentially create another 3+ day project, are there any specific "success stories" with the R730, specifically that you could recommend? or perhaps a specific model / CPU combination where NV has been reported by others as working with XCP-ng? Perhaps specific UEFI/BIOS settings or "kernel hacks" that "tend to have a higher reported success"?

  • The integrated web UI to manage XCP-ng

    12 Topics
    229 Posts
    E
    @DustinB Hi Dustin, It's amazing what one can miss when setting something up, and I surely did miss that part. I now see much more in the way of management items. My project for the weekend will be XO/XOCE from source for my home rack. Thanks so much for seeing what I didn't. Take care, Eric

  • Section dedicated to migrations from VMWare, HyperV, Proxmox etc. to XCP-ng

    79 Topics
    978 Posts
    W
    @ph7 said in Error starting network UPS tools (NUT) driver for TrippLite USB-passthrough: @waveguide I used the PCI passthrough for my zigbee USB Dongle and it has been working perfectly since I installed it 2½ month ago [image: 1738063996972-c349c774-c4bb-4dde-97f9-887521e2a871-bild.png] Interesting idea. I am running on a Dell R710 and the USB controller is not listed as an available PCI device that I can passthrough to the guest VM. It does come up on the host as a PUSB device. The ESXi server was also an R710. [image: 1738113146366-525ece0c-93c4-4cd0-8ce5-c001961959c2-image.png]

  • Hardware related section

    96 Topics
    977 Posts
    olivierlambertO
    I'm completely E_BUSY at the moment (at the Xen Winter Meetup), so I can't do much on long/complex problems on non-urgent situation

  • The place to discuss new additions into XCP-ng

    231 Topics
    3k Posts
    S
    FYI and for what it's worth - In my experience as of Jan 2025, the process aligns with RHEL and appears to have no issues. From a fresh install of Alma 9.5: sudo dnf install epel-release sudo dnf install xe-guest-utilities-latest sudo systemctl enable --now xe-inux-distribution graphs and other Xen Orchestra behaviours work as expected.
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  • W

    Mouse stops responding in XO console (XCP-ng 8.3, Win11 24H2)

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    25 Posts
    703 Views
    M
    @dinhngtu sent u a dm with a link to the files
  • S

    Unable to find logs in XenCenter or Xen Orchestra

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    2 Posts
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    olivierlambertO
    Hi, Your question is ultra vague. You need to provide more details in the first place if you want some assistance
  • E

    PCIe card removal and failure to boot from NVMe

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    14 Posts
    86 Views
    olivierlambertO
    Okay weird, at east glad to know it works now
  • W

    Beginner advice - coming from Debian

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    6 Posts
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    olivierlambertO
    No, it won't. You need a XAPI enabled host. Vanilla xen uses libxl, which is far from being like XAPI. I love Debian and we use it in our entire production, in VMs. Virt hosts are XCP-ng based and I never access the shell, because there's no reasons to do it, everything goes via XAPI. Don't treat your virt hosts as pets, with specific config: they should be XCP-ng out of the box
  • X

    how to use template created in another host machine?

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    2 Posts
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    olivierlambertO
    If the machines are on the same pool no problem. If they are not, you need to export the template and import it in the other pool.
  • I

    DC topology info

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    D
    @irtaza9 said in DC topology info: I have deployed minio as multi-server, multi-drive arch. I'm thinking to integrate this as a backup for my vms. But I want to hear from you about it cause it's most important part. I'm using urbackup with rclone on minio but I think urbackup is not performant enough to work at large scale. Xen Orchestra, gives you complete backup capabilities without the need to have a 3rd party tool, it's agentless and works on Windows and Linux VMs alike. @irtaza9 said in DC topology info: XO is not enough to manage pools and hosts? What XOProxy gives extra? The ability to remotely manage your pools in distant datacenters (without a VPN).
  • G

    Migrate windows from Xeon Silver to older Xeon or AMD?

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    olivierlambertO
    Hi, I read it quickly, but it's likely Warm migration is the solution you need.
  • I

    Openstack vs xcp-ng (XO)

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    3 Posts
    110 Views
    I
    @olivierlambert got it.
  • A

    XCP-ng host - Power management

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    11 Posts
    295 Views
    A
    @tjkreidl We don't need performance, but we do need to test how XCP-ng pools, networking, migration, live migration, backup, import from VMware and so on work. It's just a playground where we can have relatively many XCP-ng hosts, but it's not about performance, it's about efficiency and low requirements, because it's just a playground where we learn, validate how things work, and prepare the process for the final migration from VMware to XCP-ng. We originally had two R630s ready for this, then 4, but that would have been unnecessary, given the power consumption, to have physical hypervisors, so in the end we decided to virtualize it all. Well, on ESXi it's because XCP-ng works seamlessly there in nested virtualization.
  • ForzaF

    Citrix or XCP-ng drivers for Windows Server 2022

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    14 Posts
    847 Views
    F
    @WayneSherman Thanks for this.
  • S

    XenServer VM Fails to Start - HeadersTimeoutError & Hotplug.Device_timeout(_) After Power Outage

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    1 Votes
    8 Posts
    121 Views
    S
    @spcmediaco FYI, I never figured out how to fix. I am doing backup recovery now.
  • S

    Backup fails with "Body Timeout Error", "all targets have failed, step: writer.run()"

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    8 Posts
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    julien-fJ
    @Bambos A timeout error means that the host did not reply in the expected delay, which, if I'm remembering correctly is 5 minutes. I suspect a problem on your host but we will take a look further on your support ticket.
  • T

    GRUB waits for confirmation

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    J
    @techknowbabble said in GRUB waits for confirmation: What did finally work was re-installing with the 'no serial' option and everything seems to be working as expected now. I only have a handful of XCP-NG installations under my belt but I wonder if this is a known bug or if anyone else has had a similar experience. It's not something I've ever seen before and I've done quite a few installations but I can think of some possibilities as to why something like that might fix the problem. My best guess is that there's something built into, connected to, or otherwise in your system that looks like a serial port (maybe even a real serial port) that spits out a character or two into the system at boot time, confusing GRUB and stopping the normal boot process. The bad KVM I mentioned before was doing something like that, throwing a bogus keypress into the system at boot time.
  • P

    Wide VMs on XCP-ng

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    13 Posts
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    planedropP
    @plaidypus Ah gotcha, this makes sense. I second scaling out instead of up. If you're getting new hosts, I'd also keep in mind newer CPUs do have much higher per core performance (not sure what your current stuff is), so you also might be able to get away with less vCPUs and lower likelihood of NUMA spanning. Either way though I think scaling out is the better direction to go.
  • S

    This topic is deleted!

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    No one has replied
  • H

    VM cannot be migrated after NICs of one host died

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    5 Posts
    105 Views
    DanpD
    @hansve You're welcome.
  • K

    block tdc: sector-size: 512/512 capacity: 20938752

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    K
    @apz I see. Thanks.
  • R

    Server Locks Up Periodically with ASRock X570D4I-2T AMD Ryzen 9 3900X and Intel X550-AT2

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    21 Posts
    541 Views
    daveD
    @R2rho yeah, there are Supermicro systems with AM5 which can handle a decent amount of load, like based on the h13sae-mf, like: https://www.supermicro.com/de/products/system/mainstream/1u/as-1015a-mt (with less depth) Seem to be stable, but we have a small issue regarding onboard graphics ATM: https://xcp-ng.org/forum/topic/9976/black-screen-after-install-on-supermicro-h13sae-mf-with-ryzen-9950x/3?_=1734419502978
  • D

    VM not booting after attaching GPU

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    2 Posts
    58 Views
    DanpD
    You should start by checking the logs. https://docs.xcp-ng.org/troubleshooting/log-files/
  • K

    XCP-ng v8.3 Host Crashing Upon Console Login and Performing Any Action

    Solved
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    0 Votes
    6 Posts
    158 Views
    bleaderB
    Thanks for letting us know, and I'm happy you have thing working nicely now. I think to mark this as resolved you need to convert your original post as a question, and it can then be marked as resolved. I actually cannot do it myself, I think only a few people have the permission to do it for others at Vates.